From ee1a2c7778317e722cee62be274961d48790d7ff Mon Sep 17 00:00:00 2001 From: Charlene Liu Date: Fri, 6 Apr 2018 23:03:12 -0400 Subject: [PATCH] drm/amd/display: HDMI has no sound after Panel power off/on BugLink: http://bugs.launchpad.net/bugs/1773233 commit af2ac326087da632e9580f65205f4cc4205caf85 upstream. Signed-off-by: Charlene Liu Reviewed-by: Krunoslav Kovac Acked-by: Harry Wentland Cc: stable@vger.kernel.org Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman Signed-off-by: Kamal Mostafa Acked-by: Khalid Elmously Acked-by: Brad Figg Signed-off-by: Khalid Elmously --- drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c index e42b6eb1c1f0..edf18ac35fa7 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c @@ -718,6 +718,8 @@ static void dce110_stream_encoder_update_hdmi_info_packets( if (info_frame->avi.valid) { const uint32_t *content = (const uint32_t *) &info_frame->avi.sb[0]; + /*we need turn on clock before programming AFMT block*/ + REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1); REG_WRITE(AFMT_AVI_INFO0, content[0]); -- 2.39.5